foods = ('宫保鸡丁', '鱼香肉丝', '西红柿炒蛋', '红烧鸡块', '糖酥里脊')
for food in foods:
    print(food)

#  foods[0] = '海米冬瓜汤'

foods = ('芹菜炒肉', '杏鲍菇炒肉', '海鲜疙瘩汤', '糖酥鲤鱼', '海米冬瓜汤')
for food in foods:
    print(food)
